The dome, running from 62nd Street down to 22nd, was a mile high and 1.8 miles across. According to biographer Alden Hatch:

Its skin would consist of wire-reinforced, one-way vision, shatterproof glass, mist-plated with aluminium to cut sun glare while admitting light. From the outside it would look like a great glittering hemispheric mirror, while from the inside its structural elements would be as invisible as the wires of a screened porch, and it would appear as a translucent film through which the sky, clouds and stars would appear.

After this winter in New York, the idea is probably appealing: Fuller claimed that "the cost of snow removal in New York City would pay for the dome in 10 years." Nobody would have to pay for heating or cooling their apartments either; the entire dome would be kept at a comfortable temperature.

Geodesic domes are very efficient, and the whole thing was going to weigh just 4,000 tonnes. Fuller calculated that "a fleet of 16 of the large Sikorsky helicopters could fly all the segments into position in 3 months at a cost of $200m."